"Real-Time 1H NMR Reveals Position and Sequence Dependences of Amino Acid Isomerization in Amyloid Beta Fragments in Situ", K. Aki, E. Okamura, Journal of Molecular Liquids, 364, 120050 (2022); https://doi.org/10.1016/j.molliq.2022.120050
“Real-Time 19F NMR of Peptides in Solution: Preaggregation of Amyloid-β and α-synuclein, and cell entry of membrane-permeable peptides”, E. Okamura, The 37th International Conference on Solution Chemistry, July 25-28, 2022, Cartagena, Colombia (virtual) 【Plenary Lecture】.
受賞
岡村恵美子, 第13回 日本油化学会 女性科学者奨励賞(2022)
2021年
総説・解説
"臨床で役立つ麻酔作用機序:物理化学の目で見た麻酔薬のふるまい" 岡村恵美子, Life Support and Anesthesia, 28(6), 633-641 (2021).
招待講演
“Real-time peptide reactions by solution NMR: Preaggregation in amyloid-β fragment and cell entry of membrane-permeable peptide”, E. Okamura, 環太平洋国際化学会議(PACIFICHEM 2021), December 16-21, 2021, Hawaii, USA (virtual) 【Invited Lecture】.
2020年
原著論文
"Real-time in-situ 1H NMR of reactions in peptide solution: preaggregation of amyloid-β fragments prior to fibril formation " E. Okamura, K. Aki, Pure and Applied Chemistry, 92, 1575-1583 (2020).
"Side-chain conformers to allow conversion from normal to isoaspartate in age-related proteins and peptides " K. Aki, E. Okamura, BBA-Proteins and Proteomics, 1868, 140483 (2020).
"Isomerization of aspartyl residue in amyloid beta fragments: The kinetics by real-time 1H NMR under neutral and basic conditions" K. Aki, E. Okamura, J. Soln. Chem., 49, 1293-1303 (2020).
2019年
総説
"Solution NMR to Quantify Mobility in Membranes: Diffusion, Protrusion, and Drug Transport Processes"
E. Okamura, Chem. Pharm. Bull., 67, 308-315 (2019).
招待講演
“Real-Time NMR Spectroscopy of Biologically Relevant Reaction: Preaggregation of Amyloid-β Fragments Prior to Fibril Formation”, E. Okamura, OKINAWA COLLOIDS 2019, November 3-8, 2019, Nago, Okinawa, Japan.
“Real-Time in-Situ NMR of Biologically Relevant Reactions in Peptide Solution: Spontaneous Peptide Bond Cleavage of Aspartyl Isomers and Preaggregation of Amyloid-β Fragments”, E. Okamura, The 36th International Conference on Solution Chemistry, August 4-8, 2019, Xining, China.
受賞
最優秀ポスター賞 Poster Award(Top 5, Excellent) K. Aki, E. Okamura, “The Kinetics of Amino Acid Isomerization in Amyloid Beta Fragments Quantified by Real-Time 1H-NMR”, The 36th International Conference on Solution Chemistry, August 4-8, 2019, Xining, China.
"Glycosaminoglycan Binding and Non-endocytic Membrane Translocation of Cell-permeable Octaarginine Monitored by Real Time In-cell NMR Spectroscopy"
Y. Takechi-Haraya, K. Aki, Y. Tohyama, Y. Harano, T. Kawakami, H. Saito, and E. Okamura, Pharmaceuticals, 10, 42 (2017).
"Kinetics of the competitive reactions of isomerization and peptide bond cleavage at L-α- and D-β-aspartyl residues in an αA-crystallin fragment"
K. Aki and E. Okamura, J. Pept. Sci., 23, 28-37 (2017).
"D-β-aspartyl residue exhibiting uncommon high resistance to spontaneous peptide bond cleavage"
K. Aki and E. Okamura, Sci. Rep., 6, 21594 (2016).
総説
" Kinetics of Membrane Binding and Mobility of Drugs by Multinuclear Dynamic NMR in Situ "
E. Okamura, Journal of the Society of Japanese Women Scientists, 16, 7-14 (2016).
著書
"NMR of Drug Delivery Coupled with Lipid Membrane Dynamics"
E.Okamura, in Encyclopedia of Biocolloid and Biointerface Science, Ed. by H. Ohshima, Volume 1, Chapter 30, pp. 391-402, John Wiley & Sons, Inc., 2016.
日本膜学会 膜誌論文賞(2016)
Y. Takechi, Y. Shintani, D. Kimoto, and E. Okamura, "Regulation of Phospholipid Protrusion in the Cell Sized Vesicle by Hydrophobic Bisphenol A", Membrane, 40, 38-45 (2015).
2015年
原著論文
"Staggered side-chain conformers of aspartyl residues prerequisite to transformation from L-α- to D-β-aspartate 58 in human-lens αA-crystallin fragment"
K. Aki and E. Okamura, Biophys. Chem., 196, 10-15 (2015).
"Regulation of Phospholipid Protrusion in the Cell Sized Vesicle by Hydrophobic Bisphenol A"
Y. Takechi, Y. Shintani, D. Kimoto, and E. Okamura, Membrane, 40, 38-45 (2015). 日本膜学会 「膜誌論文賞」受賞論文
招待講演
"Mobility, location, and kinetics of membrane binding and delivery of drugs by solution-state 19F and 1H NMR",
E. Okamura, 6th Asian Conference on Colloid and Interface Science, November 24-27, 2015, Sasebo, Nagasaki, Japan.
"Uptake of Sevoflurane Limited by the Presence of Cholesterol in the Lipid Bilayer Membrane: A Multinuclear Nuclear Magnetic Resonance Study"
E. Okamura, Y. Takechi, and K. Aki, J. Oleo Sci., 63, 1149-1157 (2014).
"Slow Tumbling but Large Protrusion of Phospholipids in the Cell Sized Giant Vesicle"
Y. Takechi, H. Saito, and E. Okamura, Chem. Phys. Lett., 570, 136-140 (2013).
"Lateral Diffusion of Lipids Separated from Rotational and Translational Diffusion of a Fluid Large Unilamellar Vesicle"
N. Yoshii, T. Emoto, and E. Okamura, Colloid Surf. B-Biointerfaces, 106, 22-27 (2013).
"Physicochemical Mechanism for the Lipid Membrane Binding of Polyarginine: the Favorable Enthalpy Change with Structural Transition from Random Coil to Alpha-Helix"
Y. Takechi, C. Mizuguchi, M. Tanaka, T. Kawakami, S. Aimoto, E. Okamura, and H. Saito, Chem. Lett., 41, 1374-1376 (2012).
"Binding of Hydrophobic Fluorinated Bisphenol A to Large Unilamellar Vesicles of Egg Phosphatidylcholine"
N. Yoshii, and E. Okamura, J. Phys. Chem. B, 115, 11074-11080 (2011).
"Kinetics of Binding and Diffusivity of Leucine-Enkephalin in Large Unilamellar Vesicle by Pulsed-Field-Gradient 1H NMR in Situ"
N. Yoshii, T. Emoto, and E. Okamura, Biophysics, 7, 105-111 (2011).
"Kinetics of Membrane Binding and Dissociation of 5-Fluorouracil by Pulsed-Field-Gradient 19F NMR "
N. Yoshii and E.Okamura, Chem. Phys. Lett., 474, 357-361 (2009).
"Drug Binding and Mobility in Membranes by High-Resolution Solution NMR"
E. Okamura, The 47th Annual Meeting of the Biophysical Society of Japan, 2009年10月30日~11月1日 (Tokushima)
"Drug Binding and Mobility Relating to the Thermal Fluctuation in Fluid Lipid Membranes"
E.Okamura and N. Yoshii, J. Chem. Phys., 129, 215102-1~8 (2008).
"Cholesterol Location and Orientation in Aqueous Suspension of Large Unilamellar Vesicles of Phospholipid Revealed by Intermolecular Nuclear Overhauser Effect"
C.Giordani, C.Wakai, K.Yoshida, E.Okamura, N.Matubayasi, and M.Nakahara, J. Phys. Chem. B, 112, 2622-2628 (2008).
招待講演
"Drug Binding and Mobility in Model Cell Membranes in Situ: A Pulsed-Field-Gradient NMR Approach"
E. Okamura, Special Seminar, University of Pittsburgh, Molecular Biophysics and Structural Biology, June 19, 2008, Pittsburgh, USA